+ static const char BPROJ_TRIG_STR[]= "trig";
+ static const char BPROJ_TABLE_STR[]= "table";
+ static const char BPROJ_DIFF_STR[]= "diff";
+ static const char BPROJ_DIFF2_STR[]= "diff2";
+ static const char BPROJ_IDIFF2_STR[]= "idiff2";
+
+ static const char INTERP_NEAREST_STR[]= "nearest";
+ static const char INTERP_LINEAR_STR[]= "linear";
+ static const char INTERP_BSPLINE_STR[]= "bspline";
+
+